#0C173F#0C173F
#0C173F is a very dark, moderate blue. Relative luminance 0.011; OKLCH L 22.3% C 0.078 H 267.9°. Best body text is #FFFFFF at 17.36:1 contrast (WCAG AA passes).
Color values
| HEX | #0C173F |
|---|---|
| RGB | rgb(12, 23, 63) |
| HSL | hsl(227, 68%, 15%) |
| HSV | hsv(227, 81%, 25%) |
| CMYK | cmyk(81%, 63.5%, 0%, 75.3%) |
| CIE-LAB | lab(9.40, 11.76, -27.02) |
| CIE-LCH | lch(9.40, 29.47, 293.51°) |
| OKLab | oklab(22.34% -0.0029 -0.0778) |
| OKLCH | oklch(22.34% 0.078 267.9) |
| XYZ | xyz(1.3549, 1.0497, 4.8329) |
| Luminance | 0.0105 (WCAG relative) |
| Temperature | cool |
| Family | blue |
Closest named colors
Navy (survey)
#01153E
ΔE00 1.58
Navy Blue (survey)
#001146
ΔE00 3.58
Dark Navy
#000435
ΔE00 4.11
Dark Navy Blue
#00022E
ΔE00 4.38
Very Dark Blue
#000133
ΔE00 4.52
Midnight
#03012D
ΔE00 4.58
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#0C173F #3F340C
analogous
#0C313F #0C173F #1B0C3F
triadic
#0C173F #3F0C17 #173F0C
tetradic
#0C173F #3F0C31 #3F340C #0C3F1B
square
#0C173F #3F0C31 #3F340C #0C3F1B
split-complementary
#0C173F #3F1B0C #313F0C
monochromatic
#05091A #05091A #0C173F #162A72 #203DA6
Accessibility & contrast
On white
17.36
#0C173F on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
1.21
#0C173F on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #0C173F
17.36:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##0C173F | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##0C173F | 1.00 | 17.36 | 1.21 | 17.36 |
| #FFFFFF | 17.36 | 1.00 | 21.00 | 1.00 |
| #000000 | 1.21 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 17.36 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#001D40
Deuteranopia (green-blind)
#00183E
Tritanopia (blue-blind)
#002128
Achromatopsia (no color)
#1A1A1A
Design tokens & code
CSS
--color: #0c173f; /* rgb */ color: rgb(12, 23, 63); /* oklch */ color: oklch(22.3% 0.078 267.9);
Tailwind
colors: {
custom: {
50: '#535374',
500: '#0c173f',
950: '#000000',
},
}SCSS
$custom: #0c173f; $custom-light: #535374; $custom-dark: #000000;
JSON
{
"hex": "#0c173f",
"rgb": {
"r": 12,
"g": 23,
"b": 63
},
"hsl": {
"h": 227.059,
"s": 68,
"l": 14.706
},
"oklch": {
"l": 0.22335,
"c": 0.07788,
"h": 267.9
},
"luminance": 0.0105
}Semantic roles & 50–950 ramp
primary
#0C173F
secondary
#7B6A2C
accent
#C53DEB
background
#F5F4F7
surface
#E8E7ED
border
#C4C3C8
text
#030208
muted
#78787B